MINNETONKA, Minn. (WCCO) — Minnetonka police are investigating after a 59-year-old man died from an apparent drug overdose.

At 8 a.m. Sunday, a 23-year-old called 911, reporting an unresponsive adult. When officers arrived, they found the man had died and the 911 caller was still present on scene.

An initial investigation led to the caller’s arrest on suspicion of second-degree manslaughter. That caller remains in custody pending charges.

The Hennepin County Medical Examiner is expected to release the man’s identity and official cause of death.